Electromagnetic self-locking sliding block of car carrier

Abstract

The utility model discloses an electromagnetic self-locking sliding block of a car carrier. The electromagnetic self-locking sliding block comprises a sliding way assembly, a lifting platform and a hydraulic lifting mechanism. The hydraulic lifting mechanism is connected with the lifting platform; the slide way assembly comprises a slide groove, a porous positioning plate, a slide block and an electromagnetic locking mechanism; the multi-hole positioning plate is arranged at the bottom of the sliding groove, a plurality of locking holes are evenly formed in the multi-hole positioning plate, the sliding block is arranged in the sliding groove, and the outer side of the sliding block is connected with an external lifting platform. The electromagnetic locking structure comprises an electromagnet, a locking block, a swing rod and a tension spring; the center of the swing rod is connected to the sliding block through a rotating shaft, the electromagnet is arranged on the sliding block, the locking block and the tension spring are arranged at the two ends of the swing rod respectively, the locking block is embedded into a locking hole of the porous positioning plate under the acting force of the tension spring, the sliding block is locked, the swing rod is attracted when the electromagnet is powered on, and the locking block is separated from the locking hole. Through the collaborative design of the electromagnet and the locking block, automatic locking is achieved during power failure, unlocking is achieved after power on, manual emergency operation is supported, and high efficiency, safety and reliability are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical locking device technical field especially a kind of electromagnetic self-locking sliding block device for lift car two-layer lifting platform, can realize the automatic locking and sliding control of platform. BACKGROUND

[0002] The existing lift car two-layer platform lifting lock mostly adopts the following two ways: one is completed by manual pinning or pulling, if four pins of a platform, two to three people are needed to cooperate, one is responsible for lifting platform, two people are used to plug pin shaft, which can cause a lot of waste and unsafe factors;Secondly, hydraulic or pneumatic is completed, and the structure needs to connect complex hydraulic pipe or pneumatic pipe, so the failure rate is higher;The present application intends to adopt electromagnetic self-locking sliding block, one person can control the locking and sliding of sliding block through button, and platform lifting can be controlled simultaneously;

[0003] The main shortcomings of the prior art include:

[0004] 1. Strong artificial dependence: multiple pin shafts need to be inserted and pulled for each platform, which is time-consuming and labor-consuming;

[0005] 2. Insufficient safety: manual operation is prone to misoperation or accidental falling;

[0006] 3. Complex structure: hydraulic / pneumatic system has multiple pipelines, which is difficult to maintain and has high cost;

[0007] The utility model aims to solve the above problems through electromagnetic locking technology, and provides a self-locking device with simple structure, safe operation and high efficiency. SUMMARY

[0008] The purpose of the present application is to provide a lift car electromagnetic self-locking sliding block, which realizes automatic locking and unlocking of lifting platform through electromagnetic control, and retains manual operation function to improve efficiency, safety and reliability.

[0009] To solve the technical problem of inconvenient operation of the existing lift car two-layer platform lifting lock, the present application provides a lift car electromagnetic self-locking sliding block, which comprises a sliding channel assembly, a lifting platform and a hydraulic lifting mechanism;The hydraulic lifting mechanism is connected to the lifting platform and used to drive the lifting platform to make lifting action;

[0010] The chute assembly comprises a chute, a multi-hole positioning plate, a sliding block and an electromagnetic locking mechanism; the multi-hole positioning plate is arranged at the bottom of the chute, the multi-hole positioning plate is uniformly provided with a plurality of locking holes, the sliding block is arranged in the chute, and the outer side of the sliding block is connected with an external lifting platform; the electromagnetic locking mechanism comprises an electromagnet, a locking block, a swing rod and a tension spring; the swing rod is connected to the sliding block through a rotating shaft at the center of the swing rod, the electromagnet is arranged on the sliding block, and the locking block and the tension spring are arranged at two ends of the swing rod respectively; under the action force of the tension spring, the locking block is biased towards the inner side and is embedded into the locking hole of the multi-hole positioning plate through the inner hole of the sliding block, so that the sliding block is locked, and the electromagnet is attracted to the swing rod when being powered on, so that the locking block is separated from the locking hole and the sliding block is unlocked.

[0011] Further, the application provides an electromagnetic self-locking sliding block of a car carrier, wherein the electromagnetic self-locking sliding block further comprises a manual unlocking structure, the manual unlocking structure comprises a manual pressing pipe, the manual pressing pipe penetrates the outer end face of the sliding block, and the inner end of the manual pressing pipe is provided with a pressing column; pressing the manual pressing pipe makes the pressing column abut against the swing rod and the locking block to separate the locking block from the locking hole, so that the sliding block is unlocked.

[0012] Further, the application provides an electromagnetic self-locking sliding block of a car carrier, wherein the electromagnetic self-locking sliding block further comprises an electromagnet position adjusting structure, the electromagnet position adjusting structure comprises a dial block and an adjusting groove, the adjusting groove is arranged on the outer end face of the sliding block, and the dial block is slidably arranged in the adjusting groove and connected with the electromagnet at the inner end.

[0013] Compared with the prior art, the application has the following advantages:

[0014] 1. Electromagnetic and mechanical collaborative design: through optimization of the matching between electromagnetic attraction force and spring elastic force, the action of the locking block is ensured to be reliable;

[0015] 2. Inclined surface contact structure: the inclined surface design of the locking block and the locking hole reduces the unlocking friction force and improves the response speed;

[0016] 3. Redundant safety design: the locking block is automatically reset in normal state, so that accidental unlocking is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 FIG. 1 is a structural schematic diagram of an electromagnetic self-locking sliding block of a car carrier.

[0018] 1, chute; 2, multi-hole positioning plate; 3, sliding block; 4, locking hole; 5, electromagnet; 6, locking block; 7, swing rod; 8, tension spring; 9, rotating shaft; 10, inner hole; 11, manual pressing pipe; 12, pressing column; 13, dial block; 14, adjusting groove. DETAILED DESCRIPTION

[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0020] In the description of this utility model, it should be noted that the terms "upper," "lower," "inner," "outer," "front end," "rear end," "both ends," "one end," and "the other end," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0021] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," and "connected," etc., should be interpreted broadly. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0022] like Figure 1 As shown, this embodiment provides an electromagnetic self-locking slider for a car carrier, which includes a slide rail assembly, a lifting platform, and a hydraulic lifting mechanism; the hydraulic lifting mechanism is connected to the lifting platform and is used to drive the lifting platform to perform lifting actions;

[0023] The slide rail assembly includes a slide groove 1, a perforated positioning plate 2, a slider 3, and an electromagnetic locking mechanism. The perforated positioning plate 2 is located at the bottom of the slide groove 1 and has a plurality of locking holes 4 evenly distributed. The slider 3 is located inside the slide groove 1, and an external lifting platform is connected to the outside of the slider 3. The electromagnetic locking structure includes an electromagnet 5, a locking block 6, a swing rod 7, and a tension spring 8. The center of the swing rod 7 is connected to the slider 3 via a rotating shaft 9. The electromagnet 5 is located on the slider 3. The locking block 6 and the tension spring 8 are respectively located at both ends of the swing rod 7. Under the force of the tension spring 8, the locking block 6 is biased inward and penetrates the inner hole 10 of the slider 3 into the locking hole 4 of the perforated positioning plate 2, thereby locking the slider 3. When the electromagnet 5 is energized, it attracts the swing rod 7, and the locking block 6 disengages from the locking hole 4, thereby unlocking the slider 3.

[0024] In view of the special situation that electromagnet 5 cannot be powered, the embodiment also designs a manual unlocking structure, which comprises a manual pressing pipe 11 penetrating the outer end surface of the sliding block 3, and a pressing column 12 is arranged at the inner end of the manual pressing pipe 11; pressing the manual pressing pipe 11 makes the pressing column 12 abut against the swing lever 7 and the locking block 6 to disengage from the locking hole 4, thereby unlocking the sliding block 3.

[0025] In addition, in order to obtain the best electromagnetic adsorption effect, the embodiment also increases an electromagnet 5 position adjusting structure, which comprises a dial block 13 and an adjusting groove 14; the adjusting groove 14 is opened on the outer end surface of the sliding block 3, and the dial block 13 is slidingly assembled in the adjusting groove 14 and connected with the electromagnet 5 at the inner end.

[0026] The use process and principle of the sliding block 3 of the elevator car electromagnet self-locking device provided by the embodiment are as follows: when the lifting platform needs to be lifted, the lifting platform is lifted by driving the hydraulic lifting mechanism, the electromagnet 5 exerts force on the upper end of the swing arm in the unpowered state, the locking block 6 installed at the lower end of the swing arm penetrates the inner hole 10 and is embedded in the locking hole 4 of the multi-hole positioning plate 2, and the gravity of the lifting platform is applied to the sliding block 3; however, the lifting platform is locked because the locking block 6 is clamped at the lower edge of the locking hole 4; when the lifting platform needs to be lowered, the locking block 6 and the locking hole 4 are first disengaged from each other by controlling the hydraulic lifting mechanism to slightly lift, the electromagnet 5 is powered, the electromagnet 5 adsorbs the swing arm, the swing arm drives the locking block 6 to be biased outward to overcome the force of the tension spring 8, the locking block 6 is disengaged from the locking hole 4, and then the lifting platform can be lowered by the hydraulic lifting mechanism; if the electromagnet 5 cannot be powered in a special situation, the locking block 6 can be forced to be separated from the locking hole 4 by pressing the manual pressing pipe 11 to drive the inner pressing column 12 to extrude the upper segment of the swing arm, thereby unlocking the sliding block 3.

[0027] The parts not described in the utility model are the known technology of those skilled in the art.

[0028] The preferred embodiments of the utility model are described in detail above. It should be understood that those skilled in the art can make many modifications and changes without creative labor according to the concept of the utility model. Therefore, any technical solution obtained by logical analysis, reasoning or limited experiment on the basis of the existing technology according to the concept of the utility model shall be within the protection scope determined by the claims.

Claims

1. An electromagnetic self-locking slide for an elevator car, characterized in that The chute assembly, the lifting platform and the hydraulic lifting mechanism; the hydraulic lifting mechanism is connected with the lifting platform and is used for driving the lifting platform to make lifting action; The chute assembly includes a chute, a porous positioning plate, a sliding block and an electromagnetic locking mechanism; the porous positioning plate is arranged at the bottom of the chute, the porous positioning plate is uniformly provided with a plurality of locking holes, the sliding block is arranged in the chute, and the outer side of the sliding block is connected with the external lifting platform; the electromagnetic locking mechanism includes an electromagnet, a locking block, a swing rod and a tension spring; the swing rod is connected to the sliding block through a rotating shaft at the center, the electromagnet is arranged on the sliding block, and the locking block and the tension spring are arranged at two ends of the swing rod respectively; under the action of the tension spring, the locking block is biased towards the inner side and is embedded into the locking hole of the porous positioning plate through the inner hole of the sliding block, so that the sliding block is locked, and when the electromagnet is electrified, the swing rod and the locking block are adsorbed to be separated from the locking hole, so that the sliding block is unlocked.

2. The electromagnetic self-locking slide of the lift car according to claim 1, characterized in that, The manual unlocking structure further includes a manual pressing pipe, the manual pressing pipe penetrates the outer end face of the sliding block, an end of the manual pressing pipe is provided with a pressing column, and the pressing column is pressed against the swing rod and the locking block to be separated from the locking hole, so that the sliding block is unlocked.

3. The electromagnetic self-locking slider for an elevator car according to claim 1, characterized in that, The electromagnet position adjusting structure further includes a knob and an adjusting groove, the adjusting groove is arranged on the outer end face of the sliding block, and the knob is slidably arranged in the adjusting groove and connected with the electromagnet at an inner end.

Images